Makes · Chevrolet · TrailBlazer
2021 Chevrolet TrailBlazer bulb size chart
Catalog bulb positions and codes for the 2021 Chevrolet TrailBlazer. Confirm against your owner’s manual before buying.
Bulb chart
Headlight & fog
| Position | Bulb |
|---|---|
| Fog Light Bulb Front | LED |
| Headlight Bulb High Beam | H9 |
| Headlight Bulb Low Beam | 9005 |
Exterior signal & marker
| Position | Bulb |
|---|---|
| Back Up Light Bulb | 921 |
| Brake Light Bulb | 7440 |
| Center High Mount Stop Light Bulb | LED |
| License Plate Light Bulb | LED |
| Parking Light Bulb | LED |
| Side Marker Light Bulb Front | LED |
| Side Marker Light Bulb Rear | LED |
| Tail Light Bulb Inner | 168 |
| Tail Light Bulb Outer | 7440 |
| Turn Signal Light Bulb Front | 7440 |
| Turn Signal Light Bulb Rear | 7440 |